The goal of this research is to evaluate the existing social support network for aged people. Data were collected from certain areas of Athens and other cities of Greece, like Drama, Trikala, Rethimno, Thessalonica and Volos. The participants were 366 individuals (168 women and 197 men) aged 65 and above. All participants were visiting Open Centers for Care of Seniors and accepted to participate in the research. The evaluation of the social support network for seniors was estimated based on the Lubben Social Network Scale. The results showed that, in average, the participants in our research are in medium danger for isolations. Twenty two point one percent (22.1%) of the participants can be characterized as isolated. The support network of the elder and confident relationships decrease as people get older. This finding is not significantly correlated with gender and place of residence of the individual (P<0.05). Thirty present (30%) of the elder that are 80 year old and above leave alone or with people that are paid to take care of them. Although isolation is considered to be a characteristic of big cities, based on the results of our research there is no significant difference on the existing social network for elder people between urban (Athens - Thessalonica) and rural cities. Nevertheless, in urban cities there is a grater percentage of seniors that are helping others (other people rely on them) and live with spouse or other people (relatives and friends). This percentage is lower in big cities (Athens - Thessalonica). The percentage of the isolated elder individuals and that of the high-risk individuals, should concern the health scientific community. Keeping in mind that the participants in this research were using the benefits of a particular social network program, it can be assumed that elder people that do not benefit from a similar social programme might live under worse circumstances. Concluding, the necessity for further research in the field is of high importance. Furthermore, the community should establish new services that would help elder individuals in remaining active members of society, since many studies indicate a significant relationship between social networks and mortality and morbidity rates.